Code Injection Vulnerability in TallCMS PluginManager
CVE-2026-105329

5.3MEDIUM

Key Information:

Vendor

TallCMS

Status
Tallcms
Vendor
CVE Published:
5 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-105329?

A code injection vulnerability exists in TallCMS versions up to 4.8.0 within the PluginManager component, specifically in the ThemeManager.php file. This vulnerability allows an attacker to manipulate a certain function, potentially enabling remote execution of arbitrary code. The exploit has been publicly disclosed, highlighting the urgency for users to apply the provided patch (fdc18f4c6a36134f8986ca1d7e4e97092e3deb93) to safeguard their systems against unauthorized access and execution risks.

Affected Version(s)

TallCMS 4.0

TallCMS 4.1

TallCMS 4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-105329 - Proof of Concept

References

https://vuldb.com/vuln/413543
vdb-entry
https://vuldb.com/vuln/413543/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-105329
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

liaoxijun100 (VulDB User)
.